Question: After finding the values of the mean and range for

After finding the values of the mean and range for each year, find the values of x, and R. Then find the values of LCL and UCL for an R chart and find the values of LCL and UCL for an x chart.
Refer to the amounts of energy consumed in the author’s home. Each value represents energy consumed (kWh) in a two-month period. Let each subgroup consist of the six amounts within the same year.

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  • CreatedMay 03, 2015
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